Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 5 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/30/2021   16:28:10   (  -0.04,-128.46) (  -0.89,-124.58)  441.45                80
 06/01/2021   04:47:10   (   0.05,-128.41) (  -0.12,-129.22)   92.76                80
 06/02/2021   04:23:50   (   0.05,-128.42) (   0.94,-124.24)  475.04                80
 06/03/2021   16:42:42   (  -0.06,-128.50) (   0.03,-128.85)   40.48                80
 06/06/2021   04:41:02   (   0.06,-128.46) (   0.02,-128.51)    6.62                80
 06/08/2021   16:41:55   (  -0.06,-128.53) (  -0.17,-128.15)   44.53                80
 06/10/2021   05:00:54   (   0.07,-128.49) (  -0.89,-132.77)  488.92                80
 06/11/2021   04:37:34   (   0.07,-128.48) (   0.23,-127.80)   77.72                80
 06/12/2021   16:56:27   (  -0.08,-128.53) (   0.75,-132.41)  441.80                80